Answer:
Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
Answer: c. neither the subjects in the experimental or control groups nor the experimenters know which are the experimental and control groups
Explanation:
A double minded study could be described as one where both the party carrying out the experiment and the perty involved in the experiment do not know themselves. The researcher has no idea with whom they are interacting with. They just perform function and go their way. The purpose of the study is to eliminate suggestion among pratitioners.
False. Article 1 states its regulated to the federal government.